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Finding the Fourth Proportional to 329.52, 493.99 and 124.10

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Solution

The fourth proportional to 329.52, 493.99 and 124.10 is: 186.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.52 : 493.99 = 124.10 : x
  2. Step 2: Convert to fraction form
    329.52/493.99 = 124.10/x
  3. Step 3: Cross multiply
    329.52x = 493.99 × 124.10
  4. Step 4: Simplify right side
    329.52x = 61,303.58
  5. Step 5: Solve for x
    x = 61,303.58/329.52
  6. Step 6: Final answer
    x = 186.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.